--- Coro/Changes	2019/07/19 15:29:46	1.681
+++ Coro/Changes	2020/02/18 22:31:43	1.682
@@ -8,6 +8,12 @@
 TODO: how to debug safe_cancel failure (vebrose mode? show how to make backtrace?)
 TODO: scalar context for Coro::AIO wrappers?
 
+TODO: enable_times is broken (t_cpu = 4294967287.593... and decreasing)
+
+	- Coro::EV::time*once functions used ev_once, which is not cancelable.
+          This could cause problems due to I/O watchers not being stopped up
+          on exceptions/cancellation.
+
 6.55  Fri Jul 19 17:28:09 CEST 2019
 	- Coro::RWLock woke up only one reader instead of all after a wrlock
           (analyzed and patch by Maxim Skorobogatov).